A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 6645-00-640-9870
NSN 6240-00-907-3371
NSN 5910-01-396-0158
NSN 5990-00-130-1930
NSN 5996-01-003-7206
NSN 6240-00-879-5830
NSN 5915-01-540-9757
NSN 6610-01-609-7776
NSN 6650-01-505-3637
NSN 6320-00-405-2348
NSN 6685-01-435-1467
NSN 6240-01-564-9098